What's wrong with my code? my save button is not working.. I need help please? thanks!

here's my code:

<?php include('header.php');
 session_start();
?> <?php include('navbar1.php');
?> </br> </br> </br> </br> <form class="form-horizontal" method="post" enctype="multipart/form-data"> <input type="text" name="applicant_name" placeholder = "Applicant Name" required> <br></br>
Applicant Type:
<br/> <select name="applicant_type"> <option value="">Please Specify</option> <option value="owner">Owner</option> <option value="common representative">Common Representative</option> </select> <br></br> <input type="text" name="address" placeholder = "Address" required> <br></br> <input type="text" name="concern" placeholder = "Concern" required> <br></br>
Requested By: <select name="requestedBy"> <option value="">Please Specify</option> <option value="joseph">Joseph</option> <option value="seena">Seena</option> <option value="ramon">Ramon</option> <option value="jason">Jason</option> <option value="francis">Francis</option> <option value="kyu">Kyu</option> <option value="rolly">Rolly</option> <option value="richard">Richard</option> <option value="ricardo">Ricardo</option> <option value="ian">Ian</option> <option value="jennefer">jennefer</option> <option value="others">Others</option> </select> <br></br>
Received By: <select name="receivedBy"> <option value="">Please Specify</option> <option value="joseph">Joseph</option> <option value="seena">Seena</option> <option value="ramon">Ramon</option> <option value="jason">Jason</option> <option value="francis">Francis</option> <option value="kyu">Kyu</option> <option value="rolly">Rolly</option> <option value="richard">Richard</option> <option value="ricardo">Ricardo</option> <option value="ian">Ian</option> <option value="jennefer">jennefer</option> <option value="others">Others</option> </select> <br></br>
Endorsed To: <select name="endorsedTo"> <option value="">Please Specify</option> <option value="joseph">Joseph</option> <option value="seena">Seena</option> <option value="ramon">Ramon</option> <option value="jason">Jason</option> <option value="francis">Francis</option> <option value="kyu">Kyu</option> <option value="rolly">Rolly</option> <option value="richard">Richard</option> <option value="ricardo">Ricardo</option> <option value="ian">Ian</option> <option value="jennefer">jennefer</option> <option value="others">Others</option> </select> <br></br> <input type="text" name="note" placeholder = "Note"> <br></br>
C/O: <select name="careoff"> <option value="">Please Specify</option> <option value="LMD">LMD</option> <option value="LCD">LCD</option> <option value="SIRS">SIRS</option> <option value="SIAS">SIAS</option> </select> <br></br> <div class = "header2">CLASSIFICATION
<br> <form action=""> <input type="radio" name="classification" value="Residential">Residential<br> <input type="radio" name="classification" value="Small Commercial">Small Commercial<br> <input type="radio" name="classification" value="Large Commercial">Large Commercial<br> <input type="radio" name="classification" value="Primary Metering">Primary Metering<br> <input type="radio" name="classification" value="Street Light">Street Light<br> </form> </div> <div class = "Requirements"> <div class = "header">REQUIREMENTS</div> <div class="checkbox"> <label><input type="checkbox" name = "requirements[]" value="Electrical Plan">Electrical Plan</label> </div> <div class="checkbox"> <label><input type="checkbox" name = "requirements[]" value="Vicinity/Relocation Plan">Vicinity/Relocation Plan</label> </div> <div class="checkbox"> <label><input type="checkbox" name = "requirements[]" value="Site Development">Site Development</label> </div> </div> <br></br> <br/> <button data-placement="right" id="save"  title="Click to Save Data" type="submit" name="save" class="btn btn-info"><i class="icon-save icon-large"></i> Save</button> </form> <!-- ====================================================================== --> 
<?php
if (isset($_POST['save'])) 
{
    $dbhost="localhost";
    $dbuser="root";
    $dbpass="";
    $conn=mysql_connect($dbhost, $dbuser, $dbpass)or die(mysql_error());
    $db=mysql_select_db('sdd application')or die(mysql_error());

   $name=$_POST['applicant_name'];
   $apptype=$_POST['applicant_type'];
   $address=$_POST['address'];
   $concern=$_POST['concern'];
   $requestedBy=$_POST['requestedBy'];
   $receivedBy=$_POST['receivedBy'];
   $endorsedTo=$_POST['endorsedTo'];
   $note=$_POST['note'];
   $careoff=$_POST['careoff'];
   $classification=$_POST['classification'];

   $requirements = implode(',', $_POST['requirements']);

    $sql = "INSERT INTO applicant(applicant_name, applicant_type, address, concern, requestedBy, receivedBy, endorsedTo, note, careoff, classification, requirements)
                    VALUES('$name', '$apptype', '$address', '$concern', '$requestedBy', '$receivedBy', '$endorsedTo', '$note', '$careoff', '$classification', '$requirements')";
    $result = mysql_query($sql);
    if ($result)
    {
        echo "successfully added";
    }
    else
    {
        echo "Please enter your data again";
    }
}
?>

You have a form inside another form - may not correctly treated by browser

Edited 1 Week Ago by AndrisP

You say it isn't working, but is it writing any errors to the error log or output on the page?